Also cleans up some alignment and removes unnecessary "to: " arguments

It still works, and it cleans up the output of `rake routes`.

Rename: unicorn.rb.orig --> unicorn.rb.example

Updated development docs

Renamed unicorn.rb.orig to unicorn.rb.example since this seems to be more in line with the common used naming in the config directory. Plus seeing *.orig files I think of the leftovers of git merges, which left me puzzled for quite some time.

Merge branch 'change-notes-order' of https://github.com/riyad/gitlabhq into riyad-change-notes-order

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